is for Assyrian Empire

The Assyrian Empire was an Iron Age Mesopotamian empire, in existence between 911 and 612 BC, and became the largest empire of the world up till that time. 

is for Beginning of Christianity

Christianity is the monotheistic religion that is based on the life and teaching of Jesus. Christianity began in the 1st century AD as a Jewish sect but quickly spread throughout the Greco-Roman world. Despite early persecution of Christians under the Roman Empire, it became the state religion in the end.

is for Crusades

Armed pilgrimages to the Holy Land by Christians determined to recover Jerusalem from Muslim rule. The Crusades brought an end to western Europe's centuries of intellectual and cultural isolation.

is for Daoism

a Chinese philosophy based on the writings of Lao-tzu ( fl. 6th century BC), advocating humility and religious piety.

is for Ethiopia

East African highland nation lying east of the Nile River. (See also Menelik II; Selassie, Haile.)

is for Fascist Party

Italian political party created by Benito Mussolini during World War I. It emphasized aggressive nationalism and was Mussolini's instrument for the creation of a dictatorship in Italy from 1922 to 1943. (See also Mussolini, Benito.)

is for Great Western Schism

A division in the Latin (Western) Christian Church between 1378 and 1417, when rival claimants to the papacy existed in Rome and Avignon. 

is for Hammurabi

Amorite ruler of Babylon (r. 1792-1750 B.C.E.). He conquered many city-states in southern and northern Mesopotamia and is best known for a code of laws, inscribed on a black stone pillar, illustrating the principles to be used in legal cases.

is for Inca

Largest and most powerful Andean empire. Controlled the Pacific coast of South America from Ecuador to Chile from its capital of Cuzco. 

is for Jacobins

Radical republicans during the French Revolution. They were led by Maximilien Robespierre from 1793 to 1794. (See also Robespierre, Maximilien.)

is for Korean War

Conflict that began with North Korea's invasion of South Korea and came to involve the United Nations (primarily the United States) allying with South Korea and the People's Republic of China allying with North Korea. 

is for League of Nations

International organization founded in 1919 to promote world peace and cooperation but greatly weakened by the refusal of the United States to join. It proved ineffectual in stopping aggression by Italy, Japan, and Germany in the 1930s.

is for Mandate of Heaven

Chinese religious and political ideology developed by the Zhou, was the prerogative of Heaven, the chief deity, to grant power to the ruler of China.

is for Napoleon Bonaparte

 Overthrew French Directory in 1799 and became emperor of the French in 1804. Failed to defeat Great Britain and abdicated in 1814. Returned to power briefly in 1815 but was defeated and died in exile.

is for Opium War

War between Britain and the Qing Empire that was, in the British view, occasioned by the Qing government's refusal to permit the importation of opium into its territories. The victorious British imposed the one-sided Treaty of Nanking on China.

is for Pearl Harbor

Naval base in Hawaii attacked by Japanese aircraft on December 7, 1941. The sinking of much of the U.S. Pacific Fleet brought the United States into World War II.